8. Differentiate between:
a. Atoms and molecules
b. Elements and compounds
c. Chemical symbol and chemical
formula
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Answers
Explanation:
a)Atoms are single neutral particles. Molecules are neutral particles made of two or more atoms bonded together. An ion is a positively or negatively charged particle.
b)Elements are the simplest complete chemical substances. Each element corresponds to a single entry on the periodic table. An element is a material that consists of a single type of atom. ... A compound consists of two or more types of elements held together by covalent or ionic bonds.
c)A chemical symbol is a one- or two-letter designation of an element. ... Compounds are combinations of two or more elements. A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements.
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Answer:
( a ) Atoms are single neutral particles. Molecules are neutral particles made of two or more atoms bonded together. An ion is a positively or negatively charged particle.
( b ) An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. Chemical bonds link elements together to form more complex molecules called compounds. A compound consists of two or more types of elements held together by covalent or ionic bonds.
( c ) A chemical symbol is a one- or two-letter designation of an element. ... Compounds are combinations of two or more elements. A chemical formula is an expression that shows the elements in a compound and the relative proportions of those elements.
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